Talk to (someone's) higher-up
Translation of "talk to (someone's) higher-up" into Russian
talk to (someone's) higher-up
поговорить с (чьим-то) начальством
If you have any issues, you should talk to your higher-up.
Если у вас есть какие-либо проблемы, вам следует поговорить с вашим начальством.
Definitions
To communicate or discuss an issue with someone who holds a higher position or authority than the person you are currently dealing with, often in a professional or organizational context.